exacttarget.com has no AAAA records.
Apex domains cannot have CNAME records.
Google
Domain verification
google-site-verification=_fLQuCdjX91YD13T0yK65vXvp8WOnuF2YM8pn_AHb7Q
c/JoPaoCrXsJAEy9WKGJqA70w09P2sdGF+jRXcyVQm62Qb/gfNTUetiZApbdDNAQwRLCYKoDIdKw/6+kICwYCw==
cf18b945-89aa-40c9-8edc-5bb74c67742e
spf2.0/pra ip4:207.250.79.101 ip4:207.67.98.192/27 ip4:72.18.216.98 include:cust-senderid.exacttarget.com include:salesforce.com include:message1-senderid-inc.exacttarget.com include:hotels-senderid-inc.exacttarget.com ip4:206.246.157.1 -all
v=msv1 t=CD773640-B552-4170-B97B-3186A3D66D49
dns1.p02.nsone.net
IBM NS1
dns2.p02.nsone.net
IBM NS1
dns3.p02.nsone.net
IBM NS1
dns4.p02.nsone.net
IBM NS1
Zone apex
Start of authority
Email
Serial
1682536669
Refresh
2h
Retry
1h
Expire
14d
Negative cache TTL
6h